How to test for hardness of zinc?

The hardness of the material gives it the ability to resist permanent deformation when the load is applied. From an engineering point of view, determining the hardness of the material is important because resistance to wear by erosion or friction by different elements...

How to test bronze for hardness?

Bronze is an alloy of copper with 12-15% tin along with other metals like zinc, nickel, manganese, and aluminum and metalloids Bronze was one of the most widely used metals during the Bronze Age. Bronze has different alloys which are classified into different types...
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